package com.example.common.config;

import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;

@EnableWebSecurity
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    @Override
    protected void configure(HttpSecurity http) throws Exception {
        //首页所有人可以访问,功能页只有对应有权限的人可以访问
        //授权的规则
        http.authorizeRequests().antMatchers("/").permitAll()
        .antMatchers("/level1/**").hasRole("vip1")
        .antMatchers("/level2/**").hasRole("vip2")
        .antMatchers("/level3/**").hasRole("vip3");
        //没有权限会默认转到登录页面
        http.formLogin();
        //记住我功能
        http.rememberMe();
        //注销
        http.logout().logoutUrl("/");
    }
    //认证
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        //从数据库中使用
        auth.inMemoryAuthentication().passwordEncoder(new BCryptPasswordEncoder())
                .withUser("admin").password(new BCryptPasswordEncoder().encode("admin")).roles("vip1","vip2","vip3")
                .and().withUser("xiaotu").password(new BCryptPasswordEncoder().encode("123456")).roles("vip1")
                .and().withUser("user").password(new BCryptPasswordEncoder().encode("123456")).roles("vip2");
    }
}
